X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Flibmemcached%2Ferror.cc;h=d148aafe1c930acd49bc5f769e7e2cb72fed6a0d;hb=c8a5aecba8e189092266f304ca81ab42625edf60;hp=c0e82d90238db6f2c098183487d241f4809a6b4f;hpb=1a82d708fca6b4c379dc035d05763ee80aae6d72;p=m6w6%2Flibmemcached

diff --git a/src/libmemcached/error.cc b/src/libmemcached/error.cc
index c0e82d90..d148aafe 100644
--- a/src/libmemcached/error.cc
+++ b/src/libmemcached/error.cc
@@ -1,39 +1,17 @@
-/*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
- * 
- *  LibMemcached
- *
- *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
- *  All rights reserved.
- *
- *  Redistribution and use in source and binary forms, with or without
- *  modification, are permitted provided that the following conditions are
- *  met:
- *
- *      * Redistributions of source code must retain the above copyright
- *  notice, this list of conditions and the following disclaimer.
- *
- *      * Redistributions in binary form must reproduce the above
- *  copyright notice, this list of conditions and the following disclaimer
- *  in the documentation and/or other materials provided with the
- *  distribution.
- *
- *      * The names of its contributors may not be used to endorse or
- *  promote products derived from this software without specific prior
- *  written permission.
- *
- *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
+/*
+    +--------------------------------------------------------------------+
+    | libmemcached - C/C++ Client Library for memcached                  |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted under the terms of the BSD license.    |
+    | You should have received a copy of the license in a bundled file   |
+    | named LICENSE; in case you did not receive a copy you can review   |
+    | the terms online at: https://opensource.org/licenses/BSD-3-Clause  |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2006-2014 Brian Aker   https://datadifferential.com/ |
+    | Copyright (c) 2020 Michael Wallner   <mike@php.net>                |
+    +--------------------------------------------------------------------+
+*/
 
 #include "libmemcached/common.h"
 
@@ -44,8 +22,7 @@
 #include <cstdio>
 
 #define MAX_ERROR_LENGTH 2048
-struct memcached_error_t
-{
+struct memcached_error_t {
   Memcached *root;
   uint64_t query_id;
   struct memcached_error_t *next;
@@ -55,26 +32,21 @@ struct memcached_error_t
   char message[MAX_ERROR_LENGTH];
 };
 
-static void _set(memcached_instance_st& server, Memcached& memc)
-{
-  if (server.error_messages and server.error_messages->query_id != server.root->query_id)
-  {
+static void _set(memcached_instance_st &server, Memcached &memc) {
+  if (server.error_messages and server.error_messages->query_id != server.root->query_id) {
     memcached_error_free(server);
   }
 
-  if (memc.error_messages)
-  {
-    if (memc.error_messages->rc == MEMCACHED_TIMEOUT)
-    {
+  if (memc.error_messages) {
+    if (memc.error_messages->rc == MEMCACHED_TIMEOUT) {
       server.io_wait_count.timeouts++;
     }
 
-    memcached_error_t *error= libmemcached_xmalloc(&memc, memcached_error_t);
-    if (error)
-    {
+    memcached_error_t *error = libmemcached_xmalloc(&memc, memcached_error_t);
+    if (error) {
       memcpy(error, memc.error_messages, sizeof(memcached_error_t));
-      error->next= server.error_messages;
-      server.error_messages= error;
+      error->next = server.error_messages;
+      server.error_messages = error;
     }
   }
 }
@@ -83,139 +55,107 @@ static void _set(memcached_instance_st& server, Memcached& memc)
 static int error_log_fd= -1;
 #endif
 
-static void _set(Memcached& memc, memcached_string_t *str, memcached_return_t &rc, const char *at, int local_errno= 0)
-{
-  if (memc.error_messages && memc.error_messages->query_id != memc.query_id)
-  {
+static void _set(Memcached &memc, memcached_string_t *str, memcached_return_t &rc, const char *at,
+                 int local_errno = 0) {
+  if (memc.error_messages && memc.error_messages->query_id != memc.query_id) {
     memcached_error_free(memc);
   }
 
-  if (memcached_fatal(rc) or rc == MEMCACHED_CLIENT_ERROR)
-  {
+  if (memcached_fatal(rc) or rc == MEMCACHED_CLIENT_ERROR) {
     // For memory allocation we use our error since it is a bit more specific
-    if (local_errno == ENOMEM and rc == MEMCACHED_ERRNO)
-    {
-      rc= MEMCACHED_MEMORY_ALLOCATION_FAILURE;
+    if (local_errno == ENOMEM and rc == MEMCACHED_ERRNO) {
+      rc = MEMCACHED_MEMORY_ALLOCATION_FAILURE;
     }
 
-    if (rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE)
-    {
-      local_errno= ENOMEM;
+    if (rc == MEMCACHED_MEMORY_ALLOCATION_FAILURE) {
+      local_errno = ENOMEM;
     }
 
-    if (rc == MEMCACHED_ERRNO and not local_errno)
-    {
-      local_errno= errno;
-      rc= MEMCACHED_ERRNO;
+    if (rc == MEMCACHED_ERRNO and not local_errno) {
+      local_errno = errno;
+      rc = MEMCACHED_ERRNO;
     }
 
-    if (rc == MEMCACHED_ERRNO and local_errno == ENOTCONN)
-    {
-      rc= MEMCACHED_CONNECTION_FAILURE;
+    if (rc == MEMCACHED_ERRNO and local_errno == ENOTCONN) {
+      rc = MEMCACHED_CONNECTION_FAILURE;
     }
 
-    if (rc == MEMCACHED_ERRNO and local_errno == ECONNRESET)
-    {
-      rc= MEMCACHED_CONNECTION_FAILURE;
+    if (rc == MEMCACHED_ERRNO and local_errno == ECONNRESET) {
+      rc = MEMCACHED_CONNECTION_FAILURE;
     }
 
-    if (local_errno == EINVAL)
-    {
-      rc= MEMCACHED_INVALID_ARGUMENTS;
+    if (local_errno == EINVAL) {
+      rc = MEMCACHED_INVALID_ARGUMENTS;
     }
 
-    if (local_errno == ECONNREFUSED)
-    {
-      rc= MEMCACHED_CONNECTION_FAILURE;
+    if (local_errno == ECONNREFUSED) {
+      rc = MEMCACHED_CONNECTION_FAILURE;
     }
 
-    if (rc == MEMCACHED_TIMEOUT)
-    {
+    if (rc == MEMCACHED_TIMEOUT) {
     }
 
-    memcached_error_t *error= libmemcached_xmalloc(&memc, memcached_error_t);
+    memcached_error_t *error = libmemcached_xmalloc(&memc, memcached_error_t);
     if (error == NULL) // Bad business if this happens
     {
       assert_msg(error, "libmemcached_xmalloc() failed to allocate a memcached_error_t");
       return;
     }
 
-    error->root= &memc;
-    error->query_id= memc.query_id;
-    error->rc= rc;
-    error->local_errno= local_errno;
+    error->root = &memc;
+    error->query_id = memc.query_id;
+    error->rc = rc;
+    error->local_errno = local_errno;
 
     // MEMCACHED_CLIENT_ERROR is a special case because it is an error coming from the server
-    if (rc == MEMCACHED_CLIENT_ERROR)
-    {
+    if (rc == MEMCACHED_CLIENT_ERROR) {
       assert(str);
       assert(str->size);
-      if (str and str->size)
-      {
+      if (str and str->size) {
         assert(error->local_errno == 0);
-        error->local_errno= 0;
+        error->local_errno = 0;
 
-        error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %.*s", 
-                                   error->root,
-                                   int(str->size), str->c_str);
+        error->size = (int) snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %.*s", error->root,
+                                     int(str->size), str->c_str);
       }
-    }
-    else if (local_errno)
-    {
+    } else if (local_errno) {
       const char *errmsg_ptr;
       char errmsg[MAX_ERROR_LENGTH];
-      errmsg[0]= 0;
-      errmsg_ptr= errmsg;
+      errmsg[0] = 0;
+      errmsg_ptr = errmsg;
 
 #if defined(HAVE_STRERROR_R_CHAR_P) && HAVE_STRERROR_R_CHAR_P
-      errmsg_ptr= strerror_r(local_errno, errmsg, sizeof(errmsg));
+      errmsg_ptr = strerror_r(local_errno, errmsg, sizeof(errmsg));
 #elif defined(HAVE_STRERROR_R) && HAVE_STRERROR_R
       strerror_r(local_errno, errmsg, sizeof(errmsg));
-      errmsg_ptr= errmsg;
+      errmsg_ptr = errmsg;
 #elif defined(HAVE_STRERROR) && HAVE_STRERROR
       snprintf(errmsg, sizeof(errmsg), "%s", strerror(local_errno));
-      errmsg_ptr= errmsg;
+      errmsg_ptr = errmsg;
 #endif
 
-      if (str and str->size and local_errno)
-      {
-        error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s(%s), %.*s -> %s", 
-                                   error->root,
-                                   memcached_strerror(&memc, rc), 
-                                   errmsg_ptr,
-                                   memcached_string_printf(*str), at);
-      }
-      else
-      {
-        error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s(%s) -> %s", 
-                                   error->root,
-                                   memcached_strerror(&memc, rc), 
-                                   errmsg_ptr,
-                                   at);
+      if (str and str->size and local_errno) {
+        error->size = (int) snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s(%s), %.*s -> %s",
+                                     error->root, memcached_strerror(&memc, rc), errmsg_ptr,
+                                     memcached_string_printf(*str), at);
+      } else {
+        error->size = (int) snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s(%s) -> %s",
+                                     error->root, memcached_strerror(&memc, rc), errmsg_ptr, at);
       }
-    }
-    else if (rc == MEMCACHED_PARSE_ERROR and str and str->size)
-    {
-      error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %.*s -> %s", 
-                                 error->root,
-                                 int(str->size), str->c_str, at);
-    }
-    else if (str and str->size)
-    {
-      error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s, %.*s -> %s", 
-                                 error->root,
-                                 memcached_strerror(&memc, rc), 
-                                 int(str->size), str->c_str, at);
-    }
-    else
-    {
-      error->size= (int)snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s -> %s", 
-                                 error->root,
-                                 memcached_strerror(&memc, rc), at);
+    } else if (rc == MEMCACHED_PARSE_ERROR and str and str->size) {
+      error->size = (int) snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %.*s -> %s", error->root,
+                                   int(str->size), str->c_str, at);
+    } else if (str and str->size) {
+      error->size =
+          (int) snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s, %.*s -> %s", error->root,
+                         memcached_strerror(&memc, rc), int(str->size), str->c_str, at);
+    } else {
+      error->size = (int) snprintf(error->message, MAX_ERROR_LENGTH, "(%p) %s -> %s", error->root,
+                                   memcached_strerror(&memc, rc), at);
     }
 
-    error->next= memc.error_messages;
-    memc.error_messages= error;
+    error->next = memc.error_messages;
+    memc.error_messages = error;
 #if 0
     if (error_log_fd == -1)
     {
@@ -232,97 +172,96 @@ static void _set(Memcached& memc, memcached_string_t *str, memcached_return_t &r
   }
 }
 
-memcached_return_t memcached_set_error(Memcached& memc, memcached_return_t rc, const char *at, const char *str, size_t length)
-{
-  assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  memcached_string_t tmp= { str, length };
+memcached_return_t memcached_set_error(Memcached &memc, memcached_return_t rc, const char *at,
+                                       const char *str, size_t length) {
+  assert_msg(rc != MEMCACHED_ERRNO,
+             "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+  memcached_string_t tmp = {str, length};
   return memcached_set_error(memc, rc, at, tmp);
 }
 
-memcached_return_t memcached_set_error(memcached_instance_st& self, memcached_return_t rc, const char *at, const char *str, size_t length)
-{
-  assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a Instance");
+memcached_return_t memcached_set_error(memcached_instance_st &self, memcached_return_t rc,
+                                       const char *at, const char *str, size_t length) {
+  assert_msg(rc != MEMCACHED_ERRNO,
+             "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+  assert_msg(rc != MEMCACHED_SOME_ERRORS,
+             "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a Instance");
 
-  memcached_string_t tmp= { str, length };
+  memcached_string_t tmp = {str, length};
   return memcached_set_error(self, rc, at, tmp);
 }
 
 #ifndef __INTEL_COMPILER
-#pragma GCC diagnostic ignored "-Wformat-nonliteral"
+#  pragma GCC diagnostic ignored "-Wformat-nonliteral"
 #endif
 
-memcached_return_t memcached_set_error(Memcached& memc, memcached_return_t rc, const char *at, memcached_string_t& str)
-{
-  assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  if (memcached_fatal(rc))
-  {
+memcached_return_t memcached_set_error(Memcached &memc, memcached_return_t rc, const char *at,
+                                       memcached_string_t &str) {
+  assert_msg(rc != MEMCACHED_ERRNO,
+             "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+  if (memcached_fatal(rc)) {
     _set(memc, &str, rc, at);
   }
 
   return rc;
 }
 
-memcached_return_t memcached_set_parser_error(Memcached& memc,
-                                              const char *at,
-                                              const char *format, ...)
-{
+memcached_return_t memcached_set_parser_error(Memcached &memc, const char *at, const char *format,
+                                              ...) {
   va_list args;
 
   char buffer[BUFSIZ];
   va_start(args, format);
-  int length= vsnprintf(buffer, sizeof(buffer), format, args);
+  int length = vsnprintf(buffer, sizeof(buffer), format, args);
   va_end(args);
 
   return memcached_set_error(memc, MEMCACHED_PARSE_ERROR, at, buffer, length);
 }
 
-static inline size_t append_host_to_string(memcached_instance_st& self, char* buffer, const size_t buffer_length)
-{
-  size_t size= 0;
-  switch (self.type)
-  {
+static inline size_t append_host_to_string(memcached_instance_st &self, char *buffer,
+                                           const size_t buffer_length) {
+  size_t size = 0;
+  switch (self.type) {
   case MEMCACHED_CONNECTION_TCP:
   case MEMCACHED_CONNECTION_UDP:
-    size+= snprintf(buffer, buffer_length, " host: %s:%d",
-                    self.hostname(), int(self.port()));
+    size += snprintf(buffer, buffer_length, " host: %s:%d", self.hostname(), int(self.port()));
     break;
 
   case MEMCACHED_CONNECTION_UNIX_SOCKET:
-    size+= snprintf(buffer, buffer_length, " socket: %s",
-                    self.hostname());
+    size += snprintf(buffer, buffer_length, " socket: %s", self.hostname());
     break;
   }
 
   return size;
 }
 
-memcached_return_t memcached_set_error(memcached_instance_st& self, memcached_return_t rc, const char *at, memcached_string_t& str)
-{
-  assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_instance_st");
-  if (memcached_fatal(rc) == false and rc != MEMCACHED_CLIENT_ERROR)
-  {
+memcached_return_t memcached_set_error(memcached_instance_st &self, memcached_return_t rc,
+                                       const char *at, memcached_string_t &str) {
+  assert_msg(rc != MEMCACHED_ERRNO,
+             "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+  assert_msg(
+      rc != MEMCACHED_SOME_ERRORS,
+      "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_instance_st");
+  if (memcached_fatal(rc) == false and rc != MEMCACHED_CLIENT_ERROR) {
     return rc;
   }
 
   char hostname_port_message[MAX_ERROR_LENGTH];
-  char* hostname_port_message_ptr= hostname_port_message;
-  int size= 0;
-  if (str.size)
-  {
-    size= snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ",
-                   memcached_string_printf(str));
-    hostname_port_message_ptr+= size;
+  char *hostname_port_message_ptr = hostname_port_message;
+  int size = 0;
+  if (str.size) {
+    size = snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ",
+                    memcached_string_printf(str));
+    hostname_port_message_ptr += size;
   }
 
-  size+= append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) -size);
+  size +=
+      append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) - size);
 
-  memcached_string_t error_host= { hostname_port_message, size_t(size) };
+  memcached_string_t error_host = {hostname_port_message, size_t(size)};
 
   assert_msg(self.root, "Programmer error, root was not set on instance");
-  if (self.root)
-  {
+  if (self.root) {
     _set(*self.root, &error_host, rc, at);
     _set(self, (*self.root));
     assert(self.error_messages);
@@ -333,21 +272,21 @@ memcached_return_t memcached_set_error(memcached_instance_st& self, memcached_re
   return rc;
 }
 
-memcached_return_t memcached_set_error(memcached_instance_st& self, memcached_return_t rc, const char *at)
-{
-  assert_msg(rc != MEMCACHED_SOME_ERRORS, "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_instance_st");
-  if (memcached_fatal(rc) == false)
-  {
+memcached_return_t memcached_set_error(memcached_instance_st &self, memcached_return_t rc,
+                                       const char *at) {
+  assert_msg(
+      rc != MEMCACHED_SOME_ERRORS,
+      "Programmer error, MEMCACHED_SOME_ERRORS was about to be set on a memcached_instance_st");
+  if (memcached_fatal(rc) == false) {
     return rc;
   }
 
-  char hostname_port[MEMCACHED_NI_MAXHOST +MEMCACHED_NI_MAXSERV + sizeof("host : ")];
-  size_t size= append_host_to_string(self, hostname_port, sizeof(hostname_port));
+  char hostname_port[MEMCACHED_NI_MAXHOST + MEMCACHED_NI_MAXSERV + sizeof("host : ")];
+  size_t size = append_host_to_string(self, hostname_port, sizeof(hostname_port));
 
-  memcached_string_t error_host= { hostname_port, size};
+  memcached_string_t error_host = {hostname_port, size};
 
-  if (self.root)
-  {
+  if (self.root) {
     _set(*self.root, &error_host, rc, at);
     _set(self, *self.root);
   }
@@ -355,11 +294,10 @@ memcached_return_t memcached_set_error(memcached_instance_st& self, memcached_re
   return rc;
 }
 
-memcached_return_t memcached_set_error(Memcached& self, memcached_return_t rc, const char *at)
-{
-  assert_msg(rc != MEMCACHED_ERRNO, "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
-  if (memcached_fatal(rc) == false)
-  {
+memcached_return_t memcached_set_error(Memcached &self, memcached_return_t rc, const char *at) {
+  assert_msg(rc != MEMCACHED_ERRNO,
+             "Programmer error, MEMCACHED_ERRNO was set to be returned to client");
+  if (memcached_fatal(rc) == false) {
     return rc;
   }
 
@@ -368,65 +306,61 @@ memcached_return_t memcached_set_error(Memcached& self, memcached_return_t rc, c
   return rc;
 }
 
-memcached_return_t memcached_set_errno(Memcached& self, int local_errno, const char *at, const char *str, size_t length)
-{
-  memcached_string_t tmp= { str, length };
+memcached_return_t memcached_set_errno(Memcached &self, int local_errno, const char *at,
+                                       const char *str, size_t length) {
+  memcached_string_t tmp = {str, length};
   return memcached_set_errno(self, local_errno, at, tmp);
 }
 
-memcached_return_t memcached_set_errno(memcached_instance_st& self, int local_errno, const char *at, const char *str, size_t length)
-{
-  memcached_string_t tmp= { str, length };
+memcached_return_t memcached_set_errno(memcached_instance_st &self, int local_errno, const char *at,
+                                       const char *str, size_t length) {
+  memcached_string_t tmp = {str, length};
   return memcached_set_errno(self, local_errno, at, tmp);
 }
 
-memcached_return_t memcached_set_errno(Memcached& self, int local_errno, const char *at)
-{
-  if (local_errno == 0)
-  {
+memcached_return_t memcached_set_errno(Memcached &self, int local_errno, const char *at) {
+  if (local_errno == 0) {
     return MEMCACHED_SUCCESS;
   }
 
-  memcached_return_t rc= MEMCACHED_ERRNO;
+  memcached_return_t rc = MEMCACHED_ERRNO;
   _set(self, NULL, rc, at, local_errno);
 
   return rc;
 }
 
-memcached_return_t memcached_set_errno(Memcached& memc, int local_errno, const char *at, memcached_string_t& str)
-{
-  if (local_errno == 0)
-  {
+memcached_return_t memcached_set_errno(Memcached &memc, int local_errno, const char *at,
+                                       memcached_string_t &str) {
+  if (local_errno == 0) {
     return MEMCACHED_SUCCESS;
   }
 
-  memcached_return_t rc= MEMCACHED_ERRNO;
+  memcached_return_t rc = MEMCACHED_ERRNO;
   _set(memc, &str, rc, at, local_errno);
 
   return rc;
 }
 
-memcached_return_t memcached_set_errno(memcached_instance_st& self, int local_errno, const char *at, memcached_string_t& str)
-{
-  if (local_errno == 0)
-  {
+memcached_return_t memcached_set_errno(memcached_instance_st &self, int local_errno, const char *at,
+                                       memcached_string_t &str) {
+  if (local_errno == 0) {
     return MEMCACHED_SUCCESS;
   }
 
   char hostname_port_message[MAX_ERROR_LENGTH];
-  char* hostname_port_message_ptr= hostname_port_message;
-  size_t size= 0;
-  if (str.size)
-  {
-    size= snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ", memcached_string_printf(str));
+  char *hostname_port_message_ptr = hostname_port_message;
+  size_t size = 0;
+  if (str.size) {
+    size = snprintf(hostname_port_message_ptr, sizeof(hostname_port_message), "%.*s, ",
+                    memcached_string_printf(str));
   }
-  size+= append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) -size);
+  size +=
+      append_host_to_string(self, hostname_port_message_ptr, sizeof(hostname_port_message) - size);
 
-  memcached_string_t error_host= { hostname_port_message, size };
+  memcached_string_t error_host = {hostname_port_message, size};
 
-  memcached_return_t rc= MEMCACHED_ERRNO;
-  if (self.root == NULL)
-  {
+  memcached_return_t rc = MEMCACHED_ERRNO;
+  if (self.root == NULL) {
     return rc;
   }
 
@@ -445,21 +379,19 @@ memcached_return_t memcached_set_errno(memcached_instance_st& self, int local_er
   return rc;
 }
 
-memcached_return_t memcached_set_errno(memcached_instance_st& self, int local_errno, const char *at)
-{
-  if (local_errno == 0)
-  {
+memcached_return_t memcached_set_errno(memcached_instance_st &self, int local_errno,
+                                       const char *at) {
+  if (local_errno == 0) {
     return MEMCACHED_SUCCESS;
   }
 
   char hostname_port_message[MAX_ERROR_LENGTH];
-  size_t size= append_host_to_string(self, hostname_port_message, sizeof(hostname_port_message));
+  size_t size = append_host_to_string(self, hostname_port_message, sizeof(hostname_port_message));
 
-  memcached_string_t error_host= { hostname_port_message, size };
+  memcached_string_t error_host = {hostname_port_message, size};
 
-  memcached_return_t rc= MEMCACHED_ERRNO;
-  if (self.root == NULL)
-  {
+  memcached_return_t rc = MEMCACHED_ERRNO;
+  if (self.root == NULL) {
     return rc;
   }
 
@@ -469,85 +401,67 @@ memcached_return_t memcached_set_errno(memcached_instance_st& self, int local_er
   return rc;
 }
 
-static void _error_print(const memcached_error_t *error)
-{
-  if (error == NULL)
-  {
+static void _error_print(const memcached_error_t *error) {
+  if (error == NULL) {
     return;
   }
 
-  if (error->size == 0)
-  {
-    fprintf(stderr, "\t%s\n", memcached_strerror(NULL, error->rc) );
-  }
-  else
-  {
+  if (error->size == 0) {
+    fprintf(stderr, "\t%s\n", memcached_strerror(NULL, error->rc));
+  } else {
     fprintf(stderr, "\t%s %s\n", memcached_strerror(NULL, error->rc), error->message);
   }
 
   _error_print(error->next);
 }
 
-void memcached_error_print(const Memcached *shell)
-{
-  const Memcached* self= memcached2Memcached(shell);
-  if (self == NULL)
-  {
+void memcached_error_print(const Memcached *shell) {
+  const Memcached *self = memcached2Memcached(shell);
+  if (self == NULL) {
     return;
   }
 
   _error_print(self->error_messages);
 
-  for (uint32_t x= 0; x < memcached_server_count(self); x++)
-  {
-    memcached_instance_st* instance= memcached_instance_by_position(self, x);
+  for (uint32_t x = 0; x < memcached_server_count(self); x++) {
+    memcached_instance_st *instance = memcached_instance_by_position(self, x);
 
     _error_print(instance->error_messages);
   }
 }
 
-static void _error_free(memcached_error_t *error)
-{
-  if (error)
-  {
+static void _error_free(memcached_error_t *error) {
+  if (error) {
     _error_free(error->next);
 
     libmemcached_free(error->root, error);
   }
 }
 
-void memcached_error_free(Memcached& self)
-{
+void memcached_error_free(Memcached &self) {
   _error_free(self.error_messages);
-  self.error_messages= NULL;
+  self.error_messages = NULL;
 }
 
-void memcached_error_free(memcached_instance_st& self)
-{
+void memcached_error_free(memcached_instance_st &self) {
   _error_free(self.error_messages);
-  self.error_messages= NULL;
+  self.error_messages = NULL;
 }
 
-void memcached_error_free(memcached_server_st& self)
-{
+void memcached_error_free(memcached_server_st &self) {
   _error_free(self.error_messages);
-  self.error_messages= NULL;
+  self.error_messages = NULL;
 }
 
-const char *memcached_error(const memcached_st *memc)
-{
+const char *memcached_error(const memcached_st *memc) {
   return memcached_last_error_message(memc);
 }
 
-const char *memcached_last_error_message(const memcached_st *shell)
-{
-  const Memcached* memc= memcached2Memcached(shell);
-  if (memc)
-  {
-    if (memc->error_messages)
-    {
-      if (memc->error_messages->size and memc->error_messages->message[0])
-      {
+const char *memcached_last_error_message(const memcached_st *shell) {
+  const Memcached *memc = memcached2Memcached(shell);
+  if (memc) {
+    if (memc->error_messages) {
+      if (memc->error_messages->size and memc->error_messages->message[0]) {
         return memc->error_messages->message;
       }
 
@@ -560,10 +474,8 @@ const char *memcached_last_error_message(const memcached_st *shell)
   return memcached_strerror(memc, MEMCACHED_INVALID_ARGUMENTS);
 }
 
-bool memcached_has_current_error(Memcached &memc)
-{
-  if (memc.error_messages 
-      and memc.error_messages->query_id == memc.query_id
+bool memcached_has_current_error(Memcached &memc) {
+  if (memc.error_messages and memc.error_messages->query_id == memc.query_id
       and memcached_failed(memc.error_messages->rc))
   {
     return true;
@@ -572,18 +484,14 @@ bool memcached_has_current_error(Memcached &memc)
   return false;
 }
 
-bool memcached_has_current_error(memcached_instance_st& server)
-{
+bool memcached_has_current_error(memcached_instance_st &server) {
   return memcached_has_current_error(*(server.root));
 }
 
-memcached_return_t memcached_last_error(const memcached_st *shell)
-{
-  const Memcached* memc= memcached2Memcached(shell);
-  if (memc)
-  {
-    if (memc->error_messages)
-    {
+memcached_return_t memcached_last_error(const memcached_st *shell) {
+  const Memcached *memc = memcached2Memcached(shell);
+  if (memc) {
+    if (memc->error_messages) {
       return memc->error_messages->rc;
     }
 
@@ -593,81 +501,65 @@ memcached_return_t memcached_last_error(const memcached_st *shell)
   return MEMCACHED_INVALID_ARGUMENTS;
 }
 
-int memcached_last_error_errno(const memcached_st *shell)
-{
-  const Memcached* memc= memcached2Memcached(shell);
-  if (memc == NULL)
-  {
+int memcached_last_error_errno(const memcached_st *shell) {
+  const Memcached *memc = memcached2Memcached(shell);
+  if (memc == NULL) {
     return 0;
   }
 
-  if (memc->error_messages == NULL)
-  {
+  if (memc->error_messages == NULL) {
     return 0;
   }
 
   return memc->error_messages->local_errno;
 }
 
-const char *memcached_server_error(const memcached_instance_st * server)
-{
-  if (server == NULL)
-  {
+const char *memcached_server_error(const memcached_instance_st *server) {
+  if (server == NULL) {
     return NULL;
   }
 
-  if (server->error_messages == NULL)
-  {
+  if (server->error_messages == NULL) {
     return memcached_strerror(server->root, MEMCACHED_SUCCESS);
   }
 
-  if (server->error_messages->size == 0)
-  {
+  if (server->error_messages->size == 0) {
     return memcached_strerror(server->root, server->error_messages->rc);
   }
 
   return server->error_messages->message;
 }
 
-
-memcached_error_t *memcached_error_copy(const memcached_instance_st& server)
-{
-  if (server.error_messages == NULL)
-  {
+memcached_error_t *memcached_error_copy(const memcached_instance_st &server) {
+  if (server.error_messages == NULL) {
     return NULL;
   }
 
-  memcached_error_t *error= libmemcached_xmalloc(server.root, memcached_error_t);
+  memcached_error_t *error = libmemcached_xmalloc(server.root, memcached_error_t);
   memcpy(error, server.error_messages, sizeof(memcached_error_t));
-  error->next= NULL;
+  error->next = NULL;
 
   return error;
 }
 
-memcached_return_t memcached_server_error_return(const memcached_instance_st * ptr)
-{
-  if (ptr == NULL)
-  {
+memcached_return_t memcached_server_error_return(const memcached_instance_st *ptr) {
+  if (ptr == NULL) {
     return MEMCACHED_INVALID_ARGUMENTS;
   }
 
-  if (ptr->error_messages)
-  {
+  if (ptr->error_messages) {
     return ptr->error_messages->rc;
   }
 
   return MEMCACHED_SUCCESS;
 }
 
-memcached_return_t memcached_instance_error_return(memcached_instance_st* instance)
-{
-  if (instance == NULL)
-  {
+memcached_return_t memcached_instance_error_return(memcached_instance_st *instance) {
+  if (instance == NULL) {
     return MEMCACHED_INVALID_ARGUMENTS;
   }
 
-  if (instance->error_messages)
-  {
+  if (instance->error_messages) {
     return instance->error_messages->rc;
   }